12216303575 has 12 divisors (see below), whose sum is σ = 17312247600. Its totient is φ = 8376893760.

The previous prime is 12216303557. The next prime is 12216303577. The reversal of 12216303575 is 57530361221.

It is not a de Polignac number, because 12216303575 - 2³⁰ = 11142561751 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12216303577) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34903550 + ... + 34903899.

It is an arithmetic number, because the mean of its divisors is an integer number (1442687300).

Almost surely, 2^12216303575 is an apocalyptic number.

12216303575 is a deficient number, since it is larger than the sum of its proper divisors (5095944025).

12216303575 is an equidigital number, since it uses as much as digits as its factorization.

12216303575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69807466 (or 69807461 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 35.

Adding to 12216303575 its reverse (57530361221), we get a palindrome (69746664796).

The spelling of 12216303575 in words is "twelve billion, two hundred sixteen million, three hundred three thousand, five hundred seventy-five".